If there is ______ pollution, the air in our city will be ________ dirtier.
A.less; more B.more; much
C.less; less D.more; more
By the time I locked the door, I realized I ________my keys at home.
A. had repaired B. had changed
C. had forgotten D. had left
—________ English movies is helpful to learn English.
—But I find _______ hard to understand when the people speak fast.
A. Watching, that B. Watch, it’s
C. Watching, it D. Watching, its
—_____I finish my homework now?
—No, you_____. Your work is over today.
A. Can't; must B. Must; don't have to
C. May; couldn't D. Couldn't; could
Peter likes pop music, but ______ his father ______ his mother likes it.
A. both; and B. not only; but also
C. neither; nor D. either; or
Vera and Mike come from _____ European country. They are in _____ same school now.
A. a; the B. an; the
C. the; the D. an; an